import java.io.IOException;

public class Main {
    public static void main ( String[] args ) throws IOException {
//        File testFile = new File ();
//        testFile.readFileByAddress ( "E:\\files\\软工概论\\HDFS\\消息图.jpg" );
//        List<Byte> fileStream = testFile.getFileStream ();
//        System.out.println (fileStream.size ());
//        testFile.setFileStream ( BinaryStream.lock ("firstKeyword",fileStream) );
//        testFile.writeFileByAddress ( "E:\\files\\软工概论\\HDFS\\消息图2.jpg" );

    }
}
